/* =====================================================
   JAVICO — Du Học Đài Loan 2026
   Design: Vibrant Youth × Be Vietnam Pro
   v2.0 — UX/UI refined (dedup + polish + smoother)
   ===================================================== */

/* ===== 1. TOKENS ===== */
:root {
  --cream:   #FFF0E6;
  --coral:   #FF6B6B;
  --coral-2: #E85555;
  --mint:    #4ECDC4;
  --mint-2:  #3AB5AB;
  --yellow:  #FFD93D;
  --yellow-2:#E8B900;
  --black:   #1A1A1A;
  --ink:     #1A1A1A;
  --muted:   #6B7280;
  --line:    #E5E7EB;
  --line-2:  #EDEFF2;
  --bg:      #FCFCFD;
  --green:   #10B981;

  --coral-light:  rgba(255,107,107,.12);
  --mint-light:   rgba(78,205,196,.12);
  --yellow-light: rgba(255,217,61,.18);

  --max-w: 1180px;
  --gap:   24px;

  --shadow-sm: 0 2px 6px rgba(26,26,26,.04);
  --shadow:    0 12px 32px -12px rgba(26,26,26,.12), 0 2px 6px rgba(26,26,26,.04);
  --shadow-lg: 0 24px 60px -24px rgba(26,26,26,.18), 0 4px 12px rgba(26,26,26,.06);
  --shadow-coral: 0 14px 36px -14px rgba(255,107,107,.42);

  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 20px;

  --ease:      cubic-bezier(.4, 0, .2, 1);
  --ease-out:  cubic-bezier(.16, 1, .3, 1);
  --t-fast:    .18s;
  --t-base:    .28s;
  --t-slow:    .5s;

  --font-serif: Georgia, 'DejaVu Serif', serif;
  --font-sans:  'Be Vietnam Pro', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ===== 2. RESET + BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg); color: var(--ink);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
  border-radius: 4px;
}
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: none; }
::selection { background: var(--coral); color: #fff; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== 3. LAYOUT ===== */
.wrap, .container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
}
.section { padding: 88px 0; }
.section-cream, .section-cream-alt { background: var(--cream); }
.section-white { background: #fff; }
.section-light { background: #fafbfc; }
.section-coral { background: var(--coral); color: #fff; }
.section-black { background: var(--black); color: #fff; }
.section-special {
  background: linear-gradient(135deg, var(--coral) 0%, #ff8888 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.section-special::before, .section-special::after {
  content: ''; position: absolute; border-radius: 50%; pointer-events: none;
}
.section-special::before {
  width: 320px; height: 320px;
  background: rgba(255,255,255,.08);
  top: -80px; right: -80px;
}
.section-special::after {
  width: 220px; height: 220px;
  background: rgba(255,255,255,.06);
  bottom: -60px; left: 10%;
}
.section-special > * { position: relative; z-index: 2; }

/* ===== 4. SECTION HEAD (unified — supports both .sec-* AND .section-* class names) ===== */
.sec-head, .section-head { text-align: center; margin-bottom: 56px; }
.sec-head-left, .section-head-left { text-align: left; }
.section-head-light .section-label,
.section-head-light .section-title,
.section-head-light .section-desc { color: #fff; }

.sec-eyebrow, .section-label {
  display: inline-block;
  font-size: 12px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--coral); margin-bottom: 12px;
}
.section-label-light { color: var(--yellow); }

.sec-title, .section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; font-style: italic;
  color: var(--black); line-height: 1.2;
  margin-bottom: 12px;
}
.sec-title .coral, .section-title .coral { color: var(--coral); }
.sec-title .mint,  .section-title .mint  { color: var(--mint); }
.sec-title .yellow,.section-title .yellow { color: var(--yellow); }

.sec-sub, .section-desc {
  font-size: 16px; color: var(--muted);
  max-width: 580px; margin: 0 auto;
  line-height: 1.7;
}
.section-head-light .section-desc { color: rgba(255,255,255,.85); }
.section-cta { text-align: center; margin-top: 40px; }

/* ===== 5. BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600;
  font-family: var(--font-sans);
  background: transparent; color: var(--ink);
  border: 1.5px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary, .btn-coral { background: var(--coral); color: #fff; border-color: var(--coral); }
.btn-primary:hover, .btn-coral:hover { background: var(--coral-2); border-color: var(--coral-2); box-shadow: var(--shadow-coral); }

.btn-yellow { background: var(--yellow); color: var(--black); border-color: var(--yellow); font-weight: 700; }
.btn-yellow:hover { background: #FFE066; border-color: #FFE066; box-shadow: 0 12px 28px -10px rgba(255,217,61,.55); }

.btn-mint { background: var(--mint); color: #fff; border-color: var(--mint); }
.btn-mint:hover { background: var(--mint-2); border-color: var(--mint-2); box-shadow: 0 12px 28px -10px rgba(78,205,196,.5); }

.btn-black { background: var(--black); color: var(--yellow); border-color: var(--black); }
.btn-black:hover { background: #333; border-color: #333; }

.btn-outline { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--ink); }

.btn-outline-dark { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline-dark:hover { background: var(--ink); color: #fff; }

.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-outline-light:hover { background: #fff; color: var(--coral); border-color: #fff; }

.btn-outline-mint { background: transparent; color: var(--mint); border-color: var(--mint); }
.btn-outline-mint:hover { background: var(--mint); color: #fff; }

.btn-ghost { background: transparent; color: var(--coral); border-color: transparent; padding-inline: 0; }
.btn-ghost:hover { color: var(--coral-2); }
.btn-ghost::after { content: '→'; transition: transform var(--t-fast) var(--ease); }
.btn-ghost:hover::after { transform: translateX(4px); }

.btn-ghost-coral { background: #fff; color: var(--coral); border-color: var(--coral); }
.btn-ghost-coral:hover { background: var(--coral); color: #fff; }

.btn-lg { padding: 15px 28px; font-size: 16px; border-radius: 10px; }
.btn-block { display: flex; width: 100%; margin-bottom: 10px; }
.btn-block:last-child { margin-bottom: 0; }

/* ===== 6. NAV ===== */
.nav {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 100;
  transition: box-shadow var(--t-base) var(--ease);
}
.nav.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.06); }
.nav-in, .nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px; gap: 28px;
  max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gap);
}
.brand, .nav-brand {
  display: flex; align-items: center; gap: 12px;
  transition: opacity var(--t-fast) var(--ease);
}
.brand:hover { opacity: .8; }
.logo-box {
  width: 42px; height: 42px;
  background: var(--coral);
  display: grid; place-items: center;
  border-radius: 10px; color: #fff;
  flex-shrink: 0;
}
.brand-name { font-size: 13px; font-weight: 700; line-height: 1.25; color: var(--ink); }
.nav-logo {
  display: flex; align-items: center; gap: 6px;
  font-weight: 800; font-size: 18px; color: var(--black);
  letter-spacing: 1px;
}
.nav-logo-star { color: var(--coral); font-size: 16px; }

.nav-links {
  display: flex; gap: 32px;
  font-size: 14px; font-weight: 500;
}
.nav-links a {
  color: #4a5060; padding: 8px 0;
  position: relative;
  transition: color var(--t-fast) var(--ease);
}
.nav-links a.active { color: var(--coral); font-weight: 700; }
.nav-links a::after {
  content: ''; position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--coral);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--t-base) var(--ease);
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a:not(.active):hover { color: var(--ink); }

.nav-cta { display: flex; gap: 10px; align-items: center; }

.burger, .nav-burger {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1.5px solid var(--line);
  align-items: center; justify-content: center;
  cursor: pointer; flex-direction: column; gap: 5px; padding: 0;
}
.burger span, .nav-burger span {
  display: block; width: 18px; height: 2px;
  background: var(--ink); border-radius: 2px;
  transition: transform var(--t-base) var(--ease), opacity var(--t-fast) var(--ease);
}
.burger.open span:nth-child(1), .nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2), .nav-burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3), .nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 12px 24px 20px;
  animation: slideDown var(--t-base) var(--ease);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; padding: 14px 0;
  font-size: 15px; font-weight: 500;
  color: #4a5060;
  border-bottom: 1px solid var(--line-2);
  transition: color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}
.mobile-menu a:hover { color: var(--coral); padding-left: 6px; }
.mobile-menu a.active { color: var(--coral); font-weight: 700; }
.mobile-menu a:last-of-type { border-bottom: 0; }
.mobile-menu .mm-cta { display: flex; gap: 10px; margin-top: 16px; }
.mobile-menu .mm-cta .btn { flex: 1; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== 7. HERO (homepage) ===== */
.hero {
  background: var(--cream);
  position: relative; overflow: hidden;
  padding: 80px 0 72px;
}
.hero-inner {
  position: relative; z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--gap);
}
.deco-circle {
  position: absolute; border-radius: 50%;
  pointer-events: none;
  animation: floatDeco 12s ease-in-out infinite;
}
.deco-circle.deco-coral, .deco-coral-tr {
  width: 420px; height: 420px;
  background: var(--coral);
  top: -100px; right: -100px;
}
.deco-circle.deco-mint, .deco-mint-bl {
  width: 300px; height: 300px;
  background: var(--mint);
  bottom: -120px; left: -70px;
  animation-delay: -4s;
}
.deco-circle.deco-yellow-sm, .deco-yellow-tr {
  width: 70px; height: 70px;
  background: var(--yellow);
  top: 260px; right: 55px;
  animation-delay: -2s;
}
.deco-coral-sm {
  width: 36px; height: 36px;
  background: var(--coral); opacity: .4;
  bottom: 160px; left: 80px;
}
.deco-yellow-br {
  width: 80px; height: 80px;
  background: var(--yellow); opacity: .65;
  bottom: -24px; right: 110px;
  animation-delay: -6s;
}
@keyframes floatDeco {
  0%, 100% { transform: translate(0, 0); }
  50%      { transform: translate(0, -14px); }
}

.badge-top {
  display: inline-block;
  background: var(--black); color: #fff;
  font-size: 13px; font-weight: 700;
  letter-spacing: 3px;
  padding: 8px 18px;
  margin-bottom: 40px;
  text-transform: uppercase;
  border-radius: 4px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(58px, 9.5vw, 148px);
  font-weight: 800; font-style: italic;
  line-height: 1.0; letter-spacing: -4px;
  color: var(--black); margin: 0;
}
.hero-title em { color: var(--coral); font-style: italic; }
.hero-title .coral { color: var(--coral); }

.wavy-line {
  display: block;
  width: min(780px, 88vw);
  height: 16px; margin: -6px 0 0;
}

.hero-sub {
  font-size: clamp(17px, 2vw, 26px);
  font-weight: 500;
  color: var(--black);
  line-height: 1.6;
  margin: 28px 0 36px;
}

/* Stickers */
.stickers, .hero-stickers {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-bottom: 44px;
}
.sticker {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-sans); font-weight: 700;
  padding: 12px 26px; border-radius: 40px;
  font-size: clamp(15px, 1.8vw, 21px);
  text-decoration: none;
  cursor: default;
  transition: transform var(--t-base) var(--ease-out);
}
.sticker-yellow { background: var(--yellow); color: var(--black); transform: rotate(-3deg); }
.sticker-mint   { background: var(--mint);   color: #fff;        transform: rotate(2deg); }
.sticker-coral  { background: var(--coral);  color: #fff;        transform: rotate(-2deg); }
.sticker:hover {
  transform: rotate(0) scale(1.06);
  box-shadow: 0 8px 20px -6px rgba(0,0,0,.18);
}

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-top: 28px;
}

/* Hero cards */
.hero-cards {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 40px;
}
.hero-card {
  display: flex; align-items: center; gap: 12px;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 20px;
  min-width: 180px;
  transition: transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}
.hero-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--coral);
}
.hc-icon { font-size: 24px; flex-shrink: 0; }
.hero-card strong { display: block; font-size: 14px; font-weight: 700; color: var(--black); }
.hero-card span { font-size: 12px; color: #888; }

/* 6 hệ mini list (legacy) */
.he-list { font-family: var(--font-sans); }
.he-list-label {
  font-size: 14px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--black); margin-bottom: 14px;
}
.he-list-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 6px 32px; max-width: 600px;
}
.he-list-grid span { font-size: 16px; font-weight: 600; color: var(--black); }

/* ===== 8. FEATURE BAR ===== */
.feat-bar {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: grid; grid-template-columns: repeat(4, 1fr);
  max-width: var(--max-w);
  margin: -56px auto 0;
  position: relative; z-index: 5;
}
.feat-item {
  padding: 28px 22px;
  text-align: center;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px;
  transition: background var(--t-fast) var(--ease);
}
.feat-item:last-child { border-right: 0; }
.feat-item:hover { background: #fafbfc; }
.feat-item svg { transition: transform var(--t-base) var(--ease-out); }
.feat-item:hover svg { transform: scale(1.1) rotate(-4deg); }
.feat-ic {
  width: 60px; height: 60px;
  background: var(--cream);
  border-radius: var(--radius);
  display: grid; place-items: center;
  color: var(--coral);
}
.feat-item h3 { font-size: 16px; font-weight: 700; }
.feat-item p, .feat-item span { font-size: 13.5px; color: var(--muted); line-height: 1.55; font-weight: 500; }

/* ===== 9. STATS BAR ===== */
.stats-bar { background: var(--black); padding: 40px 0; }
.stats-inner, .stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
}
.stat-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px;
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.1);
}
.stat-item:last-child { border-right: 0; }
.stat-num {
  display: block;
  font-size: 36px; font-weight: 800;
  color: var(--yellow);
  font-family: var(--font-serif);
  font-style: italic;
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.65);
  line-height: 1.4;
}

/* ===== 10. PROGRAM CARDS ===== */
.he-grid, .prog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.prog-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 28px 24px;
  border-left: 5px solid var(--coral);
  position: relative;
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
}
.prog-card::before {
  content: ''; position: absolute;
  inset: 0; border-radius: inherit;
  background: linear-gradient(135deg, transparent 60%, rgba(255,107,107,.05));
  opacity: 0;
  transition: opacity var(--t-base) var(--ease);
  pointer-events: none;
}
.prog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -20px rgba(255,107,107,.25);
}
.prog-card:hover::before { opacity: 1; }
.prog-card.prog-mint, .prog-card.mint-border { border-left-color: var(--mint); }
.prog-card.prog-mint:hover, .prog-card.mint-border:hover { box-shadow: 0 24px 48px -20px rgba(78,205,196,.3); }
.prog-card.prog-yellow, .prog-card.yellow-border { border-left-color: var(--yellow); }
.prog-card.prog-yellow:hover, .prog-card.yellow-border:hover { box-shadow: 0 24px 48px -20px rgba(255,217,61,.35); }

.prog-icon {
  font-size: 36px;
  margin-bottom: 12px;
  display: inline-block;
  transition: transform var(--t-base) var(--ease-out);
}
.prog-card:hover .prog-icon { transform: scale(1.15) rotate(-6deg); }

.prog-card h3 {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 800; font-style: italic;
  color: var(--black);
  margin: 4px 0 8px;
}
.prog-card p {
  font-size: 14px; color: #555;
  line-height: 1.65; margin-bottom: 14px;
}
.prog-card .sub { font-size: 12px; color: var(--muted); font-weight: 600; margin-bottom: 14px; }

.prog-list, .prog-ul {
  list-style: none;
  font-size: 13.5px; color: #333;
  line-height: 1.85;
  margin-bottom: 18px;
}
.prog-list li, .prog-ul li {
  padding-left: 20px; position: relative;
}
.prog-list li::before, .prog-ul li::before {
  content: '✦'; position: absolute; left: 0;
  color: var(--coral); font-size: 11px;
}
.prog-card.prog-mint .prog-list li::before,
.prog-card.mint-border .prog-ul li::before { color: var(--mint); }
.prog-card.prog-yellow .prog-list li::before,
.prog-card.yellow-border .prog-ul li::before { color: var(--yellow-2); }

.prog-num {
  font-size: 11px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 8px;
}
.prog-num.coral  { color: var(--coral); }
.prog-num.mint   { color: var(--mint); }
.prog-num.yellow { color: var(--yellow-2); }

.tag-hot {
  display: inline-block;
  background: var(--coral); color: #fff;
  font-size: 10px; font-weight: 700;
  padding: 2px 10px; border-radius: 20px;
  margin-left: 8px; letter-spacing: 1px;
  vertical-align: middle;
}

/* ===== 11. SPECIAL PROGRAMS ===== */
.special-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative; z-index: 2;
}
.special-card {
  background: rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 30px 26px;
  border-top: 4px solid var(--yellow);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform var(--t-base) var(--ease-out),
              background var(--t-fast) var(--ease);
}
.special-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,.18);
}
.special-card.mint-top  { border-top-color: var(--mint); }
.special-card.white-top { border-top-color: rgba(255,255,255,.6); }
.special-card-featured {
  background: rgba(255,255,255,.18);
  transform: scale(1.02);
}
.special-card-featured:hover { transform: scale(1.02) translateY(-6px); }

.special-badge {
  display: inline-block;
  background: rgba(0,0,0,.2);
  color: #fff;
  font-size: 13px; font-weight: 600;
  padding: 5px 14px; border-radius: 30px;
  margin-bottom: 14px;
  backdrop-filter: blur(4px);
}
.special-flag { font-size: 36px; margin-bottom: 12px; }
.special-card h3 {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 800;
  font-style: italic;
  color: #fff;
  margin: 0 0 10px;
}
.special-card h3.yellow { color: var(--yellow); }
.special-card h3.mint   { color: var(--mint); }
.special-card p {
  font-size: 14px;
  color: rgba(255,255,255,.88);
  line-height: 1.65;
  margin: 0 0 14px;
}
.special-card .sub2 { font-size: 12px; color: rgba(255,255,255,.68); margin-bottom: 14px; }
.special-ul {
  list-style: none;
  font-size: 14px; color: #fff;
  line-height: 2;
}
.special-ul li { padding-left: 18px; position: relative; }
.special-ul li::before {
  content: '✦'; position: absolute; left: 0;
  font-size: 11px; opacity: .8;
}
.special-tags {
  display: flex; flex-wrap: wrap;
  gap: 6px; margin-bottom: 6px;
}
.special-tags span {
  background: rgba(255,255,255,.18);
  color: #fff; font-size: 12px; font-weight: 600;
  padding: 4px 12px; border-radius: 20px;
}

/* ===== 12. WHY GRID ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  border: 1px solid var(--line);
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              border-color var(--t-fast) var(--ease);
}
.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.why-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  display: grid; place-items: center;
  font-size: 26px;
  margin-bottom: 18px;
  transition: transform var(--t-base) var(--ease-out);
}
.why-card:hover .why-icon { transform: scale(1.1) rotate(-6deg); }
.why-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.why-card p  { font-size: 14px; color: #555; line-height: 1.7; margin: 0; }

/* Why list (parent page may use) */
.why-list { list-style: none; }
.why-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 0; font-size: 15px; color: #374151;
  border-bottom: 1px solid var(--line);
}
.why-item:last-child { border-bottom: 0; }
.why-chk {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--coral);
  display: grid; place-items: center;
  color: #fff; flex-shrink: 0;
  font-size: 12px; font-weight: 700;
}

/* ===== 13. SCHOOL ===== */
/* Strip on homepage */
.school-strip {
  display: flex; flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 32px 0 24px;
}
.school-tag {
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 30px;
  padding: 10px 20px;
  font-size: 14px; font-weight: 600;
  color: var(--black);
  transition: all var(--t-fast) var(--ease);
}
.school-tag:hover {
  border-color: var(--coral); color: var(--coral);
  transform: translateY(-2px);
}

/* Schools grid (truong-doi-tac) */
.school-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.school-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--coral);
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
}
.school-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.school-coral, .school-card.coral-top { border-top-color: var(--coral); }
.school-mint,  .school-card.mint-top  { border-top-color: var(--mint); }
.school-yellow,.school-card.yellow-top{ border-top-color: var(--yellow); }
.school-card.purple-top { border-top-color: #8E44AD; }
.school-card.orange-top { border-top-color: #E67E22; }

.school-badge {
  display: inline-block;
  font-size: 10px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 4px 12px; border-radius: 20px;
  margin-bottom: 12px;
}
.badge-coral  { background: var(--coral); color: #fff; }
.badge-mint   { background: var(--mint); color: #fff; }
.badge-yellow { background: var(--yellow); color: var(--black); }
.badge-purple { background: #8E44AD; color: #fff; }
.badge-orange { background: #E67E22; color: #fff; }

.school-card-head {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 16px;
}
.school-logo-placeholder {
  width: 56px; height: 56px;
  background: var(--cream);
  border-radius: var(--radius);
  display: grid; place-items: center;
  font-size: 18px; font-weight: 800;
  color: var(--black);
  flex-shrink: 0;
  border: 1px solid var(--line);
  transition: transform var(--t-base) var(--ease-out);
}
.school-card:hover .school-logo-placeholder { transform: rotate(-6deg) scale(1.05); }

.school-card h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 800; font-style: italic;
  color: var(--black);
  margin: 0 0 3px;
  line-height: 1.2;
}
.school-loc, .school-location { font-size: 13px; color: var(--muted); margin-bottom: 0; }
.school-card p {
  font-size: 14px; color: #555;
  line-height: 1.7;
  margin: 0 0 16px;
}

.school-tags {
  display: flex; flex-wrap: wrap;
  gap: 6px; margin-bottom: 16px;
}
.school-tag-pill {
  background: var(--cream);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px; font-weight: 600;
  color: var(--black);
}

.school-facts {
  display: flex; gap: 16px;
  margin-bottom: 20px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.school-fact { flex: 1; text-align: center; }
.school-fact strong {
  display: block;
  font-size: 18px; font-weight: 800;
  color: var(--coral);
  line-height: 1.2;
}
.school-fact span { font-size: 11px; color: var(--muted); }

.school-ul {
  list-style: none;
  font-size: 14px; color: #333;
  line-height: 1.95;
}
.school-ul li {
  padding: 6px 0 6px 20px;
  position: relative;
  border-bottom: 1px dashed var(--line);
}
.school-ul li:last-child { border-bottom: 0; }
.school-ul li::before {
  content: '✦'; position: absolute; left: 0;
  color: var(--coral); font-size: 11px;
}
.school-card.mint-top  .school-ul li::before,
.school-mint .school-ul li::before { color: var(--mint); }
.school-card.yellow-top .school-ul li::before,
.school-yellow .school-ul li::before { color: var(--yellow-2); }

/* Schools list */
.school-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.school-list-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 14px;
  border-radius: var(--radius);
  transition: background var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}
.school-list-item:hover { background: #fff; transform: translateX(4px); }
.sli-num {
  font-size: 18px; font-weight: 800;
  color: var(--coral);
  flex-shrink: 0; min-width: 30px;
  line-height: 1.3;
}
.school-list-item strong { font-size: 14px; font-weight: 700; color: var(--black); display: block; }
.school-list-item small { color: var(--muted); font-size: 12.5px; }

/* Majors */
.major-grid {
  display: flex; flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 860px; margin: 0 auto;
}
.major-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.major-cat h3 { font-size: 19px; font-weight: 700; margin: 0 0 14px; }
.major-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.major-pill {
  display: inline-flex; align-items: center;
  font-size: 14px; font-weight: 600;
  padding: 10px 20px;
  border-radius: 30px;
  cursor: default;
  transition: transform var(--t-fast) var(--ease);
}
.major-pill:hover { transform: translateY(-2px); }
.mp-coral, .pill-coral  { background: var(--coral-light); color: var(--coral-2); border: 1.5px solid transparent; }
.mp-coral:hover, .pill-coral:hover { border-color: var(--coral); }
.mp-mint, .pill-mint    { background: var(--mint-light); color: #2a9d93; border: 1.5px solid transparent; }
.mp-mint:hover, .pill-mint:hover { border-color: var(--mint); }
.mp-yellow, .pill-yellow{ background: var(--yellow-light); color: #8a6c00; border: 1.5px solid transparent; }
.mp-yellow:hover, .pill-yellow:hover { border-color: var(--yellow); }

/* ===== 14. TESTIMONIALS ===== */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.testi-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--line);
  position: relative;
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
}
.testi-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.testi-card.testi-featured {
  background: var(--black);
  border-color: var(--black);
  color: #fff;
}
.testi-card.testi-featured p { color: rgba(255,255,255,.92); }
.testi-stars {
  color: var(--yellow);
  font-size: 16px;
  margin-bottom: 14px;
  letter-spacing: 2px;
}
.testi-card p {
  font-size: 14.5px;
  line-height: 1.75;
  font-style: italic;
  margin: 0 0 22px;
  color: #444;
}
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 18px; font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.testi-author strong { display: block; font-size: 14px; font-weight: 700; }
.testi-author span { display: block; font-size: 12px; color: #888; margin-top: 2px; }
.testi-featured .testi-author span { color: rgba(255,255,255,.6); }

/* ===== 15. FAQ (smooth accordion) ===== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--line);
  transition: padding var(--t-fast) var(--ease);
}
.faq-q {
  width: 100%; text-align: left;
  background: none; border: 0;
  cursor: pointer;
  padding: 22px 0;
  font-family: var(--font-sans);
  font-size: 16.5px; font-weight: 600;
  color: var(--black);
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
  transition: color var(--t-fast) var(--ease);
}
.faq-q:hover { color: var(--coral); }
.faq-q .arrow, .faq-q .faq-arrow {
  font-size: 18px; color: var(--coral);
  transition: transform var(--t-base) var(--ease);
  flex-shrink: 0;
  display: inline-block;
}
.faq-item.open .faq-q .arrow,
.faq-item.open .faq-q .faq-arrow { transform: rotate(180deg); }
.faq-a {
  font-size: 15px; color: #4b5160;
  line-height: 1.8;
  max-height: 0; overflow: hidden;
  padding: 0;
  transition: max-height var(--t-base) var(--ease),
              padding var(--t-base) var(--ease),
              opacity var(--t-fast) var(--ease);
  opacity: 0;
}
.faq-item.open .faq-a {
  max-height: 600px;
  padding: 0 0 22px;
  opacity: 1;
}
.faq-a p { margin: 0; }
.faq-a a { color: var(--coral); font-weight: 600; }
.faq-a a:hover { text-decoration: underline; }

/* ===== 16. CTA BAR ===== */
.cta-bar {
  background: var(--black);
  padding: 64px 0;
  position: relative; overflow: hidden;
}
.cta-bar::before {
  content: ''; position: absolute;
  top: -60px; right: -60px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: rgba(255,107,107,.12);
  animation: floatDeco 14s ease-in-out infinite;
}
.cta-bar::after {
  content: ''; position: absolute;
  bottom: -40px; left: -40px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(78,205,196,.08);
  animation: floatDeco 14s ease-in-out infinite reverse;
}
.cta-bar > * { position: relative; z-index: 2; }
.cta-inner, .cta-bar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.cta-bar-text { flex: 1; min-width: 280px; }
.cta-bar-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 800; font-style: italic;
  color: #fff;
  line-height: 1.2;
  margin: 0 0 10px;
}
.cta-bar-text p {
  font-size: 15px;
  color: rgba(255,255,255,.78);
  margin: 0;
  line-height: 1.65;
}
.cta-bar-actions, .cta-btns {
  display: flex; flex-wrap: wrap; gap: 12px;
  flex-shrink: 0;
}

/* ===== 17. PAGE HERO (inner pages) ===== */
.page-hero {
  background: var(--cream);
  padding: 72px 0 64px;
  position: relative; overflow: hidden;
}
.page-hero-sm { padding: 56px 0 48px; }
.page-hero-inner { position: relative; z-index: 2; }
.page-hero-label {
  font-size: 12px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 12px;
}
.page-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(44px, 6vw, 82px);
  font-weight: 800; font-style: italic;
  color: var(--black);
  line-height: 1.05;
  letter-spacing: -2px;
  margin: 20px 0 18px;
}
.page-hero-title em, .page-hero-title .coral { color: var(--coral); font-style: italic; }
.page-hero-sub {
  font-size: 17px;
  color: #4b5160;
  max-width: 580px;
  line-height: 1.7;
  margin: 0;
}

/* ===== 18. FORMS ===== */
.form-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}
.form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.form-title { font-size: 24px; font-weight: 800; margin: 0 0 8px; }
.form-subtitle { font-size: 15px; color: #666; margin: 0 0 28px; }

.contact-form { display: block; }
.form-row, .form-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 14px; font-weight: 600;
  margin-bottom: 8px;
  color: var(--black);
}
.req { color: var(--coral); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--black);
  background: #fafafa;
  transition: border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #bbb; }
.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover { border-color: #d1d5db; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--coral);
  box-shadow: 0 0 0 4px rgba(255,107,107,.12);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-consent { margin-bottom: 28px; }
.checkbox-label {
  display: flex; gap: 12px; align-items: flex-start;
  cursor: pointer; user-select: none;
}
.checkbox-label input[type=checkbox] {
  width: 18px; height: 18px; margin-top: 2px;
  accent-color: var(--coral);
  flex-shrink: 0; cursor: pointer;
}
.checkbox-label span { font-size: 14px; color: #555; line-height: 1.55; }

.form-submit { width: 100%; padding: 16px; font-size: 16px; font-weight: 700; border-radius: 10px; }
.form-note { font-size: 13px; color: var(--muted); text-align: center; margin-top: 12px; }
.form-success {
  text-align: center;
  padding: 40px 24px;
  animation: fadeInUp .6s var(--ease-out);
}
.success-icon {
  width: 72px; height: 72px;
  background: var(--mint);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 32px; color: #fff;
  margin: 0 auto 24px;
  animation: scaleIn .5s var(--ease-out);
}
.form-success h3 { font-size: 24px; font-weight: 800; margin: 0 0 14px; }
.form-success p {
  font-size: 15px; color: #555;
  margin: 0; line-height: 1.7;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
  from { transform: scale(0); }
  to   { transform: scale(1); }
}

/* Contact sidebar */
.contact-sidebar { display: flex; flex-direction: column; gap: 16px; }
.contact-block {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 26px;
  border: 1px solid var(--line);
  transition: transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
}
.contact-block:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.contact-block-coral { border-top: 4px solid var(--coral); }
.contact-block-mint  { border-top: 4px solid var(--mint); }
.contact-block-yellow{ border-top: 4px solid var(--yellow); }
.contact-block h3 { font-size: 16px; font-weight: 700; margin: 0 0 12px; }
.contact-block p { font-size: 14px; color: #555; line-height: 1.55; margin: 6px 0; }
.contact-big-link {
  display: block;
  font-size: 22px; font-weight: 800;
  color: var(--black);
  margin-bottom: 4px;
  transition: color var(--t-fast) var(--ease);
}
.contact-big-link:hover { color: var(--coral); }
.contact-hours { font-size: 13px; color: #888; margin-top: 8px; }
.contact-email {
  font-size: 16px; font-weight: 600;
  color: var(--coral);
  word-break: break-all;
}
.contact-email:hover { text-decoration: underline; }

/* ===== 19. COST OVERVIEW (chi-phi) ===== */
.cost-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cost-item {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  border: 1px solid var(--line);
  transition: transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}
.cost-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--coral);
}
.cost-item-total {
  border: 2px solid var(--coral);
  background: linear-gradient(135deg, #fff 0%, #fff5f5 100%);
}
.cost-icon { font-size: 32px; margin-bottom: 14px; }
.cost-label {
  font-size: 13px; font-weight: 600;
  color: #888;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 8px;
}
.cost-range {
  font-size: 19px; font-weight: 800;
  color: var(--black);
  margin-bottom: 8px;
}
.cost-note { font-size: 12.5px; color: #999; line-height: 1.55; }

/* Pricing cards */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.price-card {
  background: #fff;
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  display: flex; flex-direction: column;
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              border-color var(--t-fast) var(--ease);
}
.price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--coral);
}
.price-card.price-card-featured, .price-card.featured {
  background: var(--black);
  border-color: var(--black);
  color: #fff;
  transform: scale(1.03);
}
.price-card.price-card-featured:hover, .price-card.featured:hover {
  transform: scale(1.03) translateY(-6px);
}
.price-card.price-card-featured *, .price-card.featured * { color: inherit; }
.price-card-label {
  position: absolute;
  top: -12px; left: 28px;
  background: var(--yellow);
  color: var(--black);
  font-size: 11px; font-weight: 800;
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: 1px;
  transform: rotate(-2deg);
}
.popular-badge { /* legacy */
  position: absolute;
  top: -10px; left: 20px;
  background: var(--yellow); color: var(--black);
  font-size: 11px; font-weight: 800;
  padding: 4px 14px; border-radius: 20px;
  letter-spacing: 1px;
  transform: rotate(-1.5deg);
}
.price-card-head { margin-bottom: 24px; }
.price-card h3 {
  font-family: var(--font-serif);
  font-size: 24px; font-weight: 800; font-style: italic;
  margin: 0 0 14px;
  color: var(--black);
}
.price-card-featured h3, .price-card.featured h3 { color: var(--yellow); }
.price-tag { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.price-num { font-size: 52px; font-weight: 900; color: var(--coral); line-height: 1; }
.price-card-featured .price-num, .price-card.featured .price-num { color: #fff; }
.price-unit { font-size: 14px; color: var(--muted); font-weight: 600; }
.price-card-featured .price-unit, .price-card.featured .price-unit { color: rgba(255,255,255,.6); }
.price-sub { font-size: 14px; color: #666; line-height: 1.5; }
.price-card-featured .price-sub, .price-card.featured .price-sub { color: rgba(255,255,255,.7); }
.price-amount { /* legacy */
  font-size: 36px; font-weight: 900;
  color: var(--coral); line-height: 1; margin-bottom: 16px;
}
.price-label { font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 12px; }
.price-name { font-size: 17px; font-weight: 700; margin-bottom: 10px; }

.price-features {
  list-style: none;
  font-size: 14px; line-height: 1.85;
  flex: 1; margin-bottom: 24px;
}
.price-features li {
  padding: 8px 0 8px 24px;
  position: relative;
  border-bottom: 1px solid var(--line-2);
}
.price-card-featured .price-features li,
.price-card.featured .price-features li { border-bottom-color: rgba(255,255,255,.1); }
.price-features li:last-child { border-bottom: 0; }
.price-features li::before {
  content: '✓';
  position: absolute; left: 0;
  color: var(--mint);
  font-weight: 700;
}
.price-feature-no::before { content: '✕' !important; color: #ccc !important; }
.price-feature-no { color: #aaa; }
.price-ul { /* legacy */
  list-style: none; font-size: 13px; line-height: 1.9;
}
.price-ul li::before { content: '✓ '; color: var(--mint); font-weight: 700; }
.price-note {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 18px 22px;
  font-size: 14px;
  color: #555;
  margin-top: 32px;
  line-height: 1.65;
  border-left: 4px solid var(--yellow);
}

/* ===== 20. COMPARISON TABLE ===== */
.comp-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}
.comp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 640px;
}
.comp-table th {
  background: var(--black);
  color: #fff;
  padding: 16px 18px;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
}
.comp-table th.col-highlight { background: var(--coral); color: #fff; }
.comp-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  color: #374151;
}
.comp-table tr:last-child td { border-bottom: 0; }
.comp-table tr:nth-child(even) td { background: #fafbfc; }
.comp-table .col-highlight {
  background: rgba(255,107,107,.06);
  font-weight: 600;
}
.comp-table tr:nth-child(even) td.col-highlight { background: rgba(255,107,107,.09); }
.comp-table .yes { color: var(--mint); font-weight: 700; }
.comp-table .no  { color: #ccc; }
.comp-table .highlight { background: var(--cream) !important; }

/* ===== 21. GUARANTEE BOX ===== */
.guarantee-box {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 40px;
  background: rgba(255,255,255,.1);
  border-radius: 28px;
  border: 1.5px solid rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
}
.guarantee-icon { font-size: 64px; margin-bottom: 20px; }
.guarantee-box h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800; font-style: italic;
  color: #fff; margin: 0 0 14px;
}
.guarantee-box p {
  font-size: 16px;
  color: rgba(255,255,255,.88);
  margin: 0 0 32px;
  line-height: 1.7;
}
.guarantee-stats {
  display: flex; justify-content: center;
  gap: 48px; margin-bottom: 32px;
}
.g-stat strong {
  display: block;
  font-size: 36px; font-weight: 800;
  color: var(--yellow);
  line-height: 1;
}
.g-stat span {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,.75);
  margin-top: 6px;
}

/* ===== 22. HỆ DETAIL (cac-he) ===== */
.he-detail-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}
.he-detail-grid-rev { grid-template-columns: 380px 1fr; }
.he-detail-grid-rev .he-detail-side { order: -1; }

.he-badge {
  display: inline-flex; align-items: center;
  padding: 5px 16px;
  border-radius: 30px;
  font-size: 12px; font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.he-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.5vw, 48px);
  font-weight: 800; font-style: italic;
  margin: 0 0 18px;
  line-height: 1.15;
  color: var(--black);
}
.he-desc {
  font-size: 16px;
  color: #555;
  line-height: 1.8;
  margin: 0 0 32px;
}
.he-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}
.he-info-item {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: transform var(--t-fast) var(--ease);
}
.he-info-item:hover { transform: translateY(-2px); }
.he-info-label {
  display: block;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #888;
  margin-bottom: 6px;
}
.he-info-val {
  display: block;
  font-size: 15px; font-weight: 700;
  color: var(--black);
}
.he-steps h3 { font-size: 18px; font-weight: 700; margin: 0 0 18px; }
.step-list { display: flex; flex-direction: column; gap: 14px; }
.step-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 16px;
  background: #fafbfc;
  border-radius: var(--radius);
  transition: background var(--t-fast) var(--ease);
}
.step-item:hover { background: var(--cream); }
.step-num {
  min-width: 44px; height: 44px;
  border-radius: 50%;
  color: #fff;
  font-weight: 700; font-size: 14px;
  display: grid; place-items: center;
  flex-shrink: 0;
  padding: 0 6px;
}
.step-item div {
  font-size: 15px; color: #444;
  line-height: 1.65;
  padding-top: 6px;
}
.step-item div strong { color: var(--black); display: block; margin-bottom: 4px; }

.he-highlight-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  border: 1px solid var(--line);
  margin-bottom: 20px;
}
.he-highlight-box h3 { font-size: 17px; font-weight: 700; margin: 0 0 16px; }
.he-highlight-box ul { padding-left: 20px; }
.he-highlight-box ul li { font-size: 14.5px; color: #444; line-height: 1.85; }
.he-cta-box {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.he-cta-box p { font-size: 14px; color: #555; margin: 0 0 16px; font-weight: 600; }
.he-income-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 26px;
  border: 1px solid var(--line);
  margin-bottom: 20px;
}
.he-income-box h4 {
  font-size: 13px; font-weight: 700;
  margin: 0 0 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #888;
}
.income-row {
  display: flex; justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.income-row:last-child { border-bottom: 0; }
.income-row-net {
  font-weight: 700;
  background: linear-gradient(90deg, rgba(78,205,196,.08), transparent);
  margin: 0 -12px;
  padding-inline: 12px;
  border-radius: 8px;
  border-bottom: 0;
}

/* Hệ mini cards */
.he-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.he-mini-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
}
.he-mini-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.he-mini-top {
  padding: 26px 22px;
  color: #fff;
}
.he-mini-top span {
  font-size: 12px; font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px; opacity: .9;
}
.he-mini-top h3 {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 800; font-style: italic;
  margin: 6px 0 0;
  color: inherit;
  line-height: 1.2;
}
.he-mini-body { padding: 24px 22px; }
.he-mini-body p { font-size: 14px; color: #555; line-height: 1.7; margin: 0 0 18px; }
.he-mini-body ul {
  list-style: none;
  margin: 0 0 22px;
}
.he-mini-body ul li {
  font-size: 14px; color: #444;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}
.he-mini-body ul li:last-child { border-bottom: 0; }

/* ===== 23. PROCESS STEPS ===== */
.process-steps {
  display: flex; align-items: flex-start;
  gap: 8px; flex-wrap: wrap;
  justify-content: center;
}
.process-step {
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  max-width: 220px;
}
.process-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  color: #fff;
  font-size: 24px; font-weight: 800;
  display: grid; place-items: center;
  margin-bottom: 16px;
  flex-shrink: 0;
  box-shadow: 0 8px 20px -8px rgba(0,0,0,.25);
}
.process-content h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; }
.process-content p  { font-size: 14px; color: #555; line-height: 1.65; margin: 0; }
.process-arrow {
  font-size: 28px; color: #ccc;
  padding-top: 18px;
  flex-shrink: 0;
}

/* ===== 24. FAB ===== */
.fab {
  position: fixed;
  bottom: 28px; right: 28px;
  background: var(--coral);
  color: #fff;
  border-radius: 50px;
  padding: 14px 22px 14px 18px;
  display: flex; align-items: center;
  gap: 8px;
  font-size: 14px; font-weight: 700;
  box-shadow: 0 12px 32px rgba(255,107,107,.45);
  z-index: 900;
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--t-base) var(--ease),
              visibility var(--t-base) var(--ease),
              transform var(--t-base) var(--ease-out),
              box-shadow var(--t-fast) var(--ease);
}
.fab.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.fab:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(255,107,107,.55);
}

/* ===== 25. FOOTER ===== */
.footer {
  background: var(--black);
  color: rgba(255,255,255,.75);
  padding: 64px 0 0;
}
.footer-inner, .foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding: 0 0 48px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-inline: var(--gap);
}
.footer-brand .logo-box { background: var(--coral); }
.footer-logo {
  font-size: 22px; font-weight: 800;
  color: var(--yellow);
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.foot-brand-desc, .footer-col p {
  font-size: 13.5px;
  color: rgba(255,255,255,.62);
  margin-top: 14px;
  line-height: 1.7;
  max-width: 300px;
}
.foot-soc, .footer-socials {
  display: flex; gap: 10px;
  margin-top: 22px;
}
.foot-soc a, .footer-socials a {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.06);
  display: grid; place-items: center;
  color: rgba(255,255,255,.6);
  font-size: 14px;
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}
.foot-soc a:hover, .footer-socials a:hover {
  background: var(--coral); color: #fff;
  transform: translateY(-3px);
}
.foot-col h5, .footer-col h4 {
  font-size: 13px; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,.95);
  margin-bottom: 18px;
}
.foot-col a, .footer-col ul li a {
  display: block;
  font-size: 13.5px;
  color: rgba(255,255,255,.62);
  padding: 7px 0;
  transition: color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}
.foot-col a:hover, .footer-col ul li a:hover {
  color: var(--yellow);
  padding-left: 4px;
}
.footer-col ul { list-style: none; }
.foot-contact .ci {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 13.5px;
  color: rgba(255,255,255,.7);
  padding: 7px 0;
  line-height: 1.5;
}
.foot-contact .ci svg { flex-shrink: 0; color: var(--coral); margin-top: 2px; }
.foot-bottom, .footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px var(--gap);
  font-size: 13px;
  color: rgba(255,255,255,.45);
  display: flex;
  justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px;
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}
.foot-bottom a, .footer-bottom a { color: rgba(255,255,255,.55); }
.foot-bottom a:hover, .footer-bottom a:hover { color: var(--yellow); }

/* ===== 26. UTILITIES ===== */
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.gap-12 { gap: 12px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.inline-flex { display: inline-flex; align-items: center; gap: 8px; }
.hidden { display: none !important; }

/* ===== 27. SCROLL REVEAL (driven by JS) ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: .08s; }
.reveal.delay-2 { transition-delay: .16s; }
.reveal.delay-3 { transition-delay: .24s; }

/* ===== 28. RESPONSIVE ===== */
@media (max-width: 1024px) {
  .he-grid, .prog-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .school-grid { grid-template-columns: repeat(2, 1fr); }
  .school-list-grid { grid-template-columns: repeat(2, 1fr); }
  .feat-bar { grid-template-columns: repeat(2, 1fr); }
  .feat-item:nth-child(2) { border-right: 0; }
  .feat-item:nth-child(1), .feat-item:nth-child(2) { border-bottom: 1px solid var(--line); }
  .footer-inner, .foot-grid { grid-template-columns: 1fr 1fr; }
  .form-layout { grid-template-columns: 1fr; }
  .contact-sidebar { flex-direction: row; flex-wrap: wrap; }
  .contact-block { flex: 1; min-width: 240px; }
  .process-arrow { display: none; }
  .process-steps { gap: 24px; }
  .he-detail-grid, .he-detail-grid-rev { grid-template-columns: 1fr; }
  .he-detail-grid-rev .he-detail-side { order: 0; }
  .major-categories { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta .btn-outline { display: none; }
  .burger, .nav-burger { display: flex; }
  .nav-in, .nav-inner { height: 68px; }
  .hero { padding: 56px 0 60px; }
  .hero-title { font-size: clamp(44px, 12vw, 88px); letter-spacing: -2px; }
  .badge-top { margin-bottom: 28px; }
  .stats-inner, .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: 0; }
  .stat-item:nth-child(1), .stat-item:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.1); }
  .special-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .price-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .price-card.featured, .price-card.price-card-featured { transform: none; }
  .price-card.featured:hover, .price-card.price-card-featured:hover { transform: translateY(-6px); }
  .why-grid, .he-grid, .prog-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .school-grid { grid-template-columns: 1fr; }
  .school-list-grid { grid-template-columns: 1fr; }
  .cost-overview-grid { grid-template-columns: repeat(2, 1fr); }
  .he-info-grid { grid-template-columns: repeat(2, 1fr); }
  .he-mini-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .footer-inner, .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .cta-inner, .cta-bar-inner { flex-direction: column; align-items: flex-start; }
  .cta-bar-actions, .cta-btns { width: 100%; }
  .form-row, .form-2col { grid-template-columns: 1fr; }
  .guarantee-stats { gap: 32px; }
  .he-list-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .wrap, .container { padding: 0 18px; }
  .section { padding: 64px 0; }
  .sec-head, .section-head { margin-bottom: 36px; }
  .hero { padding: 44px 0 52px; }
  .hero-title { font-size: clamp(40px, 14vw, 64px); letter-spacing: -1.5px; }
  .deco-circle.deco-coral, .deco-coral-tr { width: 240px; height: 240px; top: -50px; right: -50px; }
  .deco-circle.deco-mint, .deco-mint-bl { width: 200px; height: 200px; }
  .badge-top { font-size: 11px; padding: 6px 14px; letter-spacing: 2px; }
  .stickers, .hero-stickers { gap: 10px; }
  .sticker { padding: 10px 20px; font-size: 14px; }
  .feat-bar { grid-template-columns: 1fr; border-radius: var(--radius); margin-top: -40px; }
  .feat-item { border-right: 0 !important; border-bottom: 1px solid var(--line) !important; padding: 22px 20px; }
  .feat-item:last-child { border-bottom: 0 !important; }
  .stats-inner, .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-num { font-size: 28px; }
  .stat-label { font-size: 12px; }
  .he-list-grid { grid-template-columns: 1fr 1fr; gap: 4px 16px; }
  .he-list-grid span { font-size: 14px; }
  .hero-cards { gap: 8px; }
  .hero-card { min-width: 140px; padding: 12px 16px; }
  .cost-overview-grid { grid-template-columns: 1fr; }
  .he-info-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner, .foot-grid { grid-template-columns: 1fr; gap: 32px; }
  .foot-bottom, .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .form-card { padding: 28px 22px; }
  .form-title { font-size: 22px; }
  .page-hero { padding: 48px 0 44px; }
  .page-hero-title { font-size: clamp(36px, 12vw, 64px); }
  .contact-sidebar { flex-direction: column; }
  .school-facts { gap: 10px; }
  .school-fact strong { font-size: 16px; }
  .guarantee-box { padding: 40px 24px; }
  .guarantee-stats { flex-direction: column; gap: 24px; align-items: center; }
  .process-steps { flex-direction: column; align-items: center; gap: 28px; }
  .fab { bottom: 18px; right: 18px; padding: 12px 18px 12px 14px; font-size: 13px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 42px; }
  .wavy-line { height: 12px; }
  .sticker { padding: 9px 18px; font-size: 13px; }
  .feat-item h3 { font-size: 15px; }
  .feat-item p, .feat-item span { font-size: 13px; }
  .testi-card { padding: 24px 20px; }
  .price-card { padding: 28px 22px; }
}